Red Hat Cost Management Metrics Operator CostManagementMetricsConfig unrestricted upload

Summaryinfo

A vulnerability was found in Red Hat Cost Management Metrics Operator. It has been classified as critical. This issue affects some unknown processing of the component CostManagementMetricsConfig. Performing a manipulation results in unrestricted upload. This vulnerability is known as CVE-2026-18381. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability classified as critical has been found in Red Hat Cost Management Metrics Operator (unknown version). This affects an unknown code block of the component CostManagementMetricsConfig. The manipulation with an unknown input leads to a unrestricted upload vulnerability. CWE is classifying the issue as CWE-434. The product allows the attacker to upload or transfer files of dangerous types that can be automatically processed within the product's environment. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

A flaw was found in the koku-metrics-operator for Red Hat OpenShift. The operator's CostManagementMetricsConfig custom resource allows a user able to edit the CR to specify an arbitrary upload URL. The operator attaches its own Kubernetes service-account bearer token to queries sent to this user-controlled URL, allowing the attacker to obtain the token.

It is possible to read the advisory at access.redhat.com. This vulnerability is uniquely identified as CVE-2026-18381 since 07/30/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 07/30/2026). The attack technique deployed by this issue is T1608.002 according to MITRE ATT&CK.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-51093). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

• Red Hat

Name

• Cost Management Metrics Operator

License

• open-source

Website

• Vendor: https://www.redhat.com/

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Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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